package collection.stream;

import java.util.ArrayList;
import java.util.List;
import java.util.Random;
import java.util.stream.Collectors;

public class streamApiDemo {
    public static void main(String[] args) {
        List<Integer> list = new ArrayList<>();
        Random rand = new Random();
        for (int i = 0; i < 10; i++) {
            list.add(rand.nextInt(10)+1);
        }
        System.out.println(list);

        List<Integer> list1 = list.stream()
                                  .map(e->e*3)
                                  .collect(Collectors.toList());


        List<Integer> list2 = list.stream()
                                  .filter(e->e%2==0)
                                  .collect(Collectors.toList());
        System.out.println(list2);
        List<Integer> list3 = list.stream()
                                  .distinct()
                                  .collect(Collectors.toList());
        System.out.println(list3);

        List<Integer> list4 =list.stream()
                .sorted((e1,e2)->e2-e1)
                .collect(Collectors.toList());
        System.out.println(list4);
    }
}
